Does my relative need to renew her visa before January 29 if her last extension is stamped for February 1?

The user is inquiring about the necessity for their relative to renew her visa before January 29, given that her current extension is valid until February 1. Comments indicate that it's recommended to obtain the extension before January 29, as that is the last day available for extensions related to COVID-19. The user also asks about the need for an embassy letter, which remains unspecified.